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  1. #1

    Join Date
    Nov 2017
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    17
    Location
    Pennsylvania
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    Club Cadet RZT S42

    High Speed Idle Adjustment

    I have a Kohler Command 7000 KT725(2017) and need to check it's high speed at 3600 rpm.
    How do adjust since there is no high speed idle screw? See bottom pic.

    I planning to use a digital rpm meter

    Governor_Throttle.JPG

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  3. #2

    Join Date
    Nov 2014
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    8,327
    Location
    Australia
    Mower
    Victa slashers & Push , Rover Rancher II's, Cox ( several ) & White LT120 + GT 200

    Re: High Speed Idle Adjustment

    The term high idle is a bit confusing.
    The bolt K is what is used to adjust the high speed when the engine is not under load , ie idleing

  4. #3

    1,000 Post Club
    EngineMan's Avatar
    Join Date
    Jun 2012
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    2,010
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    South Wales UK
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    No mowers

    Re: High Speed Idle Adjustment

    High speed is the MAX set at 3600 rpm
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  5. #4

    Join Date
    Nov 2017
    Posts
    17
    Location
    Pennsylvania
    Mower
    Club Cadet RZT S42

    Re: High Speed Idle Adjustment

    I don't see so called bolt 'K' for setting it to 3600rpm. Where is it?
    Can someone circle the area that needs to adjusted? Thanks.

    Kohler.jpg
    Last edited by Patrick0525; 05-16-2018 at 06:42 AM.

  6. #5
    BlazNT's Avatar
    Join Date
    Apr 2012
    Posts
    5,408
    Location
    Missouri
    Mower
    RZ5424

    Re: High Speed Idle Adjustment

    To adjust top speed you loosen bolt circled in green and with the throttle set to fast or rabbit move cable in or out till the desired RPM is reached. Then tighten bolt circled in green down. Take care to not over rev. Good things do not come from over revved engines.
    Kohler 7000.jpg
    Chuck
    We Do Not Stop Playing When We Grow Old
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  7. #6

    Join Date
    Nov 2017
    Posts
    17
    Location
    Pennsylvania
    Mower
    Club Cadet RZT S42

    Re: High Speed Idle Adjustment

    Quote Originally Posted by BlazNT View Post
    To adjust top speed you loosen bolt circled in green and with the throttle set to fast or rabbit move cable in or out till the desired RPM is reached. Then tighten bolt circled in green down. Take care to not over rev. Good things do not come from over revved engines.

    Kohler 7000.jpg

    Thanks. Last year the mower went to the dealer for a choke adjustment (under warranty), because in choke mode the butterfly wasn't closed fully. They adjusted it and it almost starts on the 1st crank.

    This mowing season, the fast mode seems to be under powered.
    I will test with a digital tachometer for 3600rpm before proceeding.

    Thanks again.

  8. #7

    Join Date
    Nov 2017
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    17
    Location
    Pennsylvania
    Mower
    Club Cadet RZT S42

    Re: High Speed Idle Adjustment

    Bought chrome colored nail polish and painted one plastic cooling fin so the digital tachometer had a reflective surface to read from. ( Removed the cooling shroud to make the measurement ) At fast idle mode it read 3400 rpm, I made no adjustment since the engine only has 23hrs. Do you think I should have adjust it to 3600 rpm?

  9. #8

    Join Date
    May 2010
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    5,201
    Location
    Illinois
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    kioti/rhino finish mower

    Re: High Speed Idle Adjustment

    I would call it close enough.
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  10. #9

    Join Date
    Nov 2017
    Posts
    17
    Location
    Pennsylvania
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    Club Cadet RZT S42

    Re: High Speed Idle Adjustment

    Thanks, I will leave it alone for now and remeasure at 100hrs.

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